annotate tests/test-freadahead.c @ 40224:5d9b82ca550a

tests: Free allocated memory. Reported by <deltatau@protonmail.com> via Assaf Gordon. * tests/test-astrxfrm.c (main): Free allocated memory. * tests/test-bitset.c (compare, check_attributes): Free allocated bitsets. * tests/test-filenamecat.c (main): Free allocated memory. * tests/test-freadahead.c (main): Free allocated memory and close stdin. * tests/test-freadptr.c (main): Likewise. * tests/test-freadptr2.c (main): Free allocated memory. * tests/test-freadseek.c (main): Likewise. * tests/test-gc-arcfour.c (main): Close allocated context. * tests/test-gc-arctwo.c (main): Likewise. * tests/test-gc-des.c (main): Close all allocated contexts. * tests/test-pipe-filter-gi1.c (main): Free allocated memory. * tests/test-pipe-filter-ii1.c (main): Likewise. * tests/test-posix_spawn_file_actions_addchdir.c (main): Destroy the allocated file actions. * tests/test-posix_spawn_file_actions_addclose.c (main): Likewise. * tests/test-posix_spawn_file_actions_adddup2.c (main): Likewise. * tests/test-posix_spawn_file_actions_addopen.c (main): Likewise. * tests/test-sameacls.c (main): Free allocated memory and ACLs. * tests/test-strfmon_l.c (main): Free allocated locales. * tests/test-striconveh.c (main): Free allocated iconv_t objects. * tests/uniconv/test-u8-conv-to-enc.c (main): Free allocated memory. * tests/uniconv/test-u16-conv-to-enc.c (main): Likewise. * tests/uniconv/test-u32-conv-to-enc.c (main): Likewise. * tests/unistr/test-chr.h (main): Free input32. * tests/unistr/test-strchr.h (test_strchr): Likewise.
author Bruno Haible <bruno@clisp.org>
date Sun, 10 Mar 2019 14:05:09 +0100
parents b06060465f09
children
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1 /* Test of freadahead() function.
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2 Copyright (C) 2007-2019 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
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16
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17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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18
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19 #include <config.h>
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20
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21 #include "freadahead.h"
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22
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23 #include <stdlib.h>
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24 #include <unistd.h>
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25
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26 #include "macros.h"
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27
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28 int
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29 main (int argc, char **argv)
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30 {
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31 int nbytes = atoi (argv[1]);
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32 if (nbytes > 0)
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33 {
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34 void *buf = malloc (nbytes);
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35 ASSERT (fread (buf, 1, nbytes, stdin) == nbytes);
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36 free (buf);
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37 }
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38
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39 if (nbytes == 0)
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40 ASSERT (freadahead (stdin) == 0);
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41 else
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42 {
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43 if (lseek (0, 0, SEEK_CUR) == nbytes)
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44 /* An unbuffered stdio, such as BeOS or on uClibc compiled without
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45 __STDIO_BUFFERS. */
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46 ASSERT (freadahead (stdin) == 0);
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47 else
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48 {
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49 /* Normal buffered stdio. */
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50 size_t buffered;
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51 int c, c2;
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52
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53 ASSERT (freadahead (stdin) != 0);
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54 buffered = freadahead (stdin);
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55
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56 c = fgetc (stdin);
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57 ASSERT (freadahead (stdin) == buffered - 1);
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58 ungetc (c, stdin);
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59 ASSERT (freadahead (stdin) == buffered);
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60 c2 = fgetc (stdin);
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61 ASSERT (c2 == c);
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62 ASSERT (freadahead (stdin) == buffered - 1);
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63
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64 c = '@';
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65 ungetc (c, stdin);
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66 ASSERT (freadahead (stdin) == buffered);
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67 c2 = fgetc (stdin);
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68 ASSERT (c2 == c);
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69 ASSERT (freadahead (stdin) == buffered - 1);
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70 }
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71 }
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72
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73 /* Free memory allocated during ungetc(). */
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74 fclose (stdin);
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75
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76 return 0;
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77 }